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Title: DIRECTORY LINES REGARDING THE DESIGN AND PRODUCTION OF SELF-CLEANING CEMENTITIOUS COMPOSITES
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DIRECTORY LINES REGARDING THE DESIGN AND PRODUCTION OF SELF-CLEANING CEMENTITIOUS COMPOSITES
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1314-2704
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English
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19
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6.2
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This paper presents some general directory lines regarding the development (design and effective production) of the cementitious composites with self-cleaning properties. Self-cleaning concrete represents a material containing nanomaterials, namely TiO2 nanoparticles with photocatalytic properties. Consequently, buildings facades made of a composite containing TiO2-SiO2, exhibit superhydrophilic effect on the surfaces, i.e., in the presence of UV radiation, the water reaching these surfaces have the ability to form films which take over the impurities more easily. Moreover, the research shows that these constructions retain and regenerate their aesthetic appearance even after removing UV radiation. This type of composites has the ability to decompose organic and inorganic substances: inorganic pollutants like nitrogenous or acids, sulphates present in the air or water, deposited on solid surfaces, are neutralized by decomposition into stable compounds like oxides and salts. Consequently, the use of these materials for building construction leads to effective cost reduction concerning the building maintenance, washing and repair, decontamination and sterilization and even potential unpleasant urban odours prevention.
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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89-98
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30 June - 6 July, 2019
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website
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cdrom
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6499
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self-cleaning; cement materials; TiO2 nanoparticles; pollution; photocatalysis
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